(19)
(11) EP 3 297 784 A1

(12)

(43) Date of publication:
28.03.2018 Bulletin 2018/13

(21) Application number: 16796863.5

(22) Date of filing: 17.03.2016
(51) International Patent Classification (IPC): 
B23H 7/26(2006.01)
B23H 1/00(2006.01)
(86) International application number:
PCT/US2016/022813
(87) International publication number:
WO 2016/186715 (24.11.2016 Gazette 2016/47)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
MA MD

(30) Priority: 19.05.2015 US 201514716367

(71) Applicant: Johnson Technology, Inc.
Muskegon, Michigan 49442 (US)

(72) Inventor:
  • IZWORSKI, Mark D.
    Kent City, Michigan 49330 (US)

(74) Representative: Haseltine Lake LLP 
Lincoln House, 5th Floor 300 High Holborn
London WC1V 7JH
London WC1V 7JH (GB)

   


(54) ELECTRICAL DISCHARGE MACHINING AUTOMATED ELECTRODE CHANGER